feat(devcontainer): upgrade dev environment with better prompts, extensions, and configs (#95)

* chore(devcontainer): optimize Dockerfile for Ruby dev environment

* chore(devcontainer): update container name and improve VSCode settings

- Rename devcontainer from 'Maybe' to 'Sure'
- Add GIT_EDITOR env var for VSCode integration
- Add Shopify Ruby extensions pack

* feat(devcontainer): add custom Bash prompt with Git info

- Implement Git branch, status markers in prompt
- Show username, current dir, and Git info with colors
- Mount custom .bashrc into container for prompt enhancements

* fix(devcontainer): improve branch detection & status markers in prompt

- Support detached HEAD by showing short SHA
- Show detailed git states: rebase, merge, bisect, am
- Fix prompt formatting and trailing colors

* Better solution to GitHub Codespaces CSRF issue

* feat(devcontainer): add Git autocompletion support in bashrc

* refactor(devcontainer): reorder volumes and service settings

- Added volume mounts for workspace & bundle cache to worker service.

---------

Co-authored-by: Juan José Mata <juanjo.mata@gmail.com>

.devcontainer/devcontainer.json

@@ -1,9 +1,10 @@
 {
-  "name": "Maybe",
+  "name": "Sure",
   "dockerComposeFile": "docker-compose.yml",
   "service": "app",
   "workspaceFolder": "/workspace",
   "containerEnv": {
+    "GIT_EDITOR": "code --wait",
     "GITHUB_TOKEN": "${localEnv:GITHUB_TOKEN}",
     "GITHUB_USER": "${localEnv:GITHUB_USER}"
   },
@@ -15,8 +16,14 @@
     "vscode": {
       "extensions": [
         "biomejs.biome",
-        "EditorConfig.EditorConfig"
-      ]
+        "EditorConfig.EditorConfig",
+        "Shopify.ruby-extensions-pack"
+      ],
+      "settings": {
+        "terminal.integrated.defaultProfile.linux": "bash",
+        "terminal.integrated.defaultProfile.osx": "zsh",
+        "terminal.integrated.defaultProfile.windows": "pwsh"
+      }
     }
   }
 }