Add workflows for Code (Insiders)

It is basically the variant of `specs/code` –
it changes all the `code` to `code-insiders`,
while noting “Insiders” in the workflow name.

Signed-off-by: pan93412 <[email protected]>

specs/code-insiders/compare_two_files_in_vs_code_insiders.yaml

@@ -0,0 +1,16 @@
+---
+name: Compare two files in VS Code (Insiders)
+command: "code-insiders -d {{file1}} {{file2}}"
+tags: ["code-insiders"]
+description: Compare two files using code.
+arguments:
+  - name: file1
+    description: The first file that you want to compare.
+    default_value: ~
+  - name: file2
+    description: The second file that you want to compare.
+    default_value: ~
+source_url: "https://stackoverflow.com/questions/30139597/visual-studio-code-is-there-a-compare-feature-like-that-plugin-for-notepad"
+author: wisbucky
+author_url: "https://stackoverflow.com/users/1081043/wisbucky"
+shells: []

specs/code-insiders/open_a_file_or_directory_in_the_currently_open_vs_code_insiders_window.yaml

@@ -0,0 +1,13 @@
+---
+name: Open a file or directory in the currently open VS Code (Insiders) window
+command: "code-insiders -r {{file_or_directory}}"
+tags: ["code-insiders"]
+description: Use -r or --reuse-window command line option to attach the currently open VS Code window.
+arguments:
+  - name: file_or_directory
+    description: The file or directory that you want to open.
+    default_value: ~
+source_url: "https://stackoverflow.com/questions/41377489/how-to-open-a-file-from-the-integrated-terminal-in-visual-studio-code"
+author: zloy-zhake
+author_url: "https://stackoverflow.com/users/2807320/zloy-zhake"
+shells: []