Update v1 (#68)

* Update gitignore

* Fix errors for platypus

* Fix translation ids
* Fix title of 'Piday code'
* Fix headings in 'Hello Qiskit'
* Fix notebook

Co-authored-by: kifumi <kifumi@jp.ibm.com>

---------

Co-authored-by: kifumi <kifumi@jp.ibm.com>

Author: frankharkins

.gitignore

@@ -0,0 +1,50 @@
+# Always-ignore extensions
+*.diff
+*.err
+*.orig
+*.log
+*.rej
+*.swo
+*.swp
+*.zip
+*.vi
+*~
+.ipynb_checkpoints
+
+# OS or Editor folders
+.DS_Store
+._*
+Thumbs.db
+.cache
+.project
+.settings
+.tmproj
+*.esproj
+nbproject
+*.sublime-project
+*.sublime-workspace
+.idea
+.qiskit
+
+# Folders to ignore
+.vscode
+node_modules
+ts_build
+dist
+__pycache__
+*.egg-info
+working
+tests/.temp
+environment/ipython/profile_default
+
+public/
+cypress/screenshots
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/