fix(homepage): correct "Github" → "GitHub", fix alt text, and hyphenate "Self-host" (#6461)

Co-authored-by: fern-api[bot] <115122769+fern-api[bot]@users.noreply.github.com>

Author: fern-api[bot]

fern/products/home/pages/welcome.mdx

@@ -160,7 +160,7 @@ layout: custom
             <img src="./images/arrow-right-white.svg" alt="Arrow right light" className="hidden dark:block" noZoom />
           </a>
           <a className="fern-button minimal normal w-fit gap-1 a-btn" href="/docs/self-hosted/overview"> 
-            Self host your docs
+            Self-host your docs
             <img src="./images/arrow-right-black.svg" alt="Arrow right light" className="dark:hidden" noZoom />
             <img src="./images/arrow-right-white.svg" alt="Arrow right light" className="hidden dark:block" noZoom />
           </a>
@@ -224,26 +224,26 @@ layout: custom
 
       <div className="specs-grid">
         <a className="specs-card" href="/api-definitions/openapi/overview">
-          <img className="m-0 dark:hidden" src="./images/openapi-light.svg" alt="Github Preview" noZoom/>
-          <img className="m-0 hidden dark:block" src="./images/openapi-dark.svg" alt="Github Preview" noZoom />
+          <img className="m-0 dark:hidden" src="./images/openapi-light.svg" alt="OpenAPI" noZoom/>
+          <img className="m-0 hidden dark:block" src="./images/openapi-dark.svg" alt="OpenAPI" noZoom />
 
           <p className="community-card-title">OpenAPI</p>
         </a>
         <a className="specs-card" href="/api-definitions/asyncapi/overview">
-          <img className="m-0 dark:hidden" src="./images/asyncapi-light.svg" alt="Github Preview" noZoom/>
-          <img className="m-0 hidden dark:block" src="./images/asyncapi-dark.svg" alt="Github Preview" noZoom />
+          <img className="m-0 dark:hidden" src="./images/asyncapi-light.svg" alt="AsyncAPI" noZoom/>
+          <img className="m-0 hidden dark:block" src="./images/asyncapi-dark.svg" alt="AsyncAPI" noZoom />
 
           <h3 className="community-card-title">AsyncAPI</h3>
         </a>
         <a className="specs-card" href="/api-definitions/openrpc/overview">
-          <img className="m-0 dark:hidden" src="./images/openrpc-light.svg" alt="Github Preview" noZoom/>
-          <img className="m-0 hidden dark:block" src="./images/openrpc-dark.svg" alt="Github Preview" noZoom />
+          <img className="m-0 dark:hidden" src="./images/openrpc-light.svg" alt="OpenRPC" noZoom/>
+          <img className="m-0 hidden dark:block" src="./images/openrpc-dark.svg" alt="OpenRPC" noZoom />
 
           <h3 className="community-card-title">OpenRPC</h3>
         </a>
         <a className="specs-card" href="/api-definitions/grpc/overview">
-          <img className="m-0 dark:hidden" src="./images/grpc-light.svg" alt="Github Preview" noZoom/>
-          <img className="m-0 hidden dark:block" src="./images/grpc-dark.svg" alt="Github Preview" noZoom />
+          <img className="m-0 dark:hidden" src="./images/grpc-light.svg" alt="gRPC" noZoom/>
+          <img className="m-0 hidden dark:block" src="./images/grpc-dark.svg" alt="gRPC" noZoom />
 
           <h3 className="community-card-title">gRPC</h3>
         </a>
@@ -311,10 +311,10 @@ layout: custom
 
         <div className="community-card">
           <div className="community-card-header">
-            <img className="m-0 dark:hidden" src="./images/github-light.svg" alt="Github Preview" noZoom/>
-            <img className="m-0 hidden dark:block" src="./images/github-dark.svg" alt="Github Preview" noZoom />
+            <img className="m-0 dark:hidden" src="./images/github-light.svg" alt="GitHub" noZoom/>
+            <img className="m-0 hidden dark:block" src="./images/github-dark.svg" alt="GitHub" noZoom />
 
-            <h3 className="community-card-title">Github</h3>
+            <h3 className="community-card-title">GitHub</h3>
           </div>
           <p className="community-card-description">
             Follow progress and contribute to the codebase.
@@ -354,10 +354,10 @@ layout: custom
 
       <div className="help-buttons">
         <a className="fern-button outlined normal gap-2 a-btn" href="https://github.com/fern-api/fern/issues">
-          <img src="./images/github-light.svg" alt="Github" className="h-4 w-4 dark:hidden" noZoom />
-          <img src="./images/github-dark.svg" alt="Github" className="h-4 w-4 hidden dark:block" noZoom />
+          <img src="./images/github-light.svg" alt="GitHub" className="h-4 w-4 dark:hidden" noZoom />
+          <img src="./images/github-dark.svg" alt="GitHub" className="h-4 w-4 hidden dark:block" noZoom />
 
-          File a Github issue
+          File a GitHub issue
         </a>
 
         <a className="fern-button outlined normal gap-2 a-btn" href="mailto:support@buildwithfern.com">