Add stub files with redirect links to new location

Author: olyagpl

Diff for: docs/tools/insight/Insight-Manual.md

@@ -558,7 +558,7 @@ found new prime number 3
 found new prime number 5
 ```
 
-The mixture of `lli`, polyglot and GraalVM Insight opens enormous possibilities in tracing, controlling and interactive or batch debugging of native programs. 
+The mixture of `lli`, polyglot and GraalVM Insight opens enormous possibilities in tracing, controlling and interactive or batch debugging of native programs.
 
 ## Minimal Overhead
 

Diff for: tools/docs/Insight-Embedding.md

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+# Embedding GraalVM Insight into Applications
+
+This file can now be found [here](../../docs/tools/insight/Insight-Embedding.md)

Diff for: tools/docs/Insight-Manual.md

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+# GraalVM Insight "Hackers Manual"
+
+This file can now be found [here](../../docs/tools/insight/Insight-Manual.md)

Diff for: tools/docs/Insight-Tracing.md

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+# Tracing with GraalVM Insight
+
+This file can now be found [here](../../docs/tools/insight/Insight-Tracing.md)

Diff for: tools/docs/Insight.md

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+# GraalVM Insight: The Ultimate Insights Gathering Platform
+
+This file can now be found [here](../../docs/tools/insight/Insight.md)