Devcontainer update

- fix permissions for macOS host
- add kivy dependencies support
- syntax and plugin update

.devcontainer/devcontainer.json

@@ -1,35 +1,41 @@
 {
     "name": "Codespaces Python3",
-    "extensions": [
-        "cschleiden.vscode-github-actions",
-        "eamodio.gitlens",
-        "github.vscode-pull-request-github",
-        "ms-azuretools.vscode-docker",
-        "ms-python.flake8",
-        "ms-python.pylint",
-        "ms-python.python",
-        "ms-vsliveshare.vsliveshare",
-        "nwgh.bandit",
-	"the-compiler.python-tox",
-        "vscode-icons-team.vscode-icons",
-        "visualstudioexptteam.vscodeintellicode"
-    ],
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "GitHub.vscode-github-actions",
+                "eamodio.gitlens",
+                "github.vscode-pull-request-github",
+                "ms-azuretools.vscode-docker",
+                "ms-python.flake8",
+                "ms-python.pylint",
+                "ms-python.python",
+                "ms-vsliveshare.vsliveshare",
+                "nwgh.bandit",
+                "the-compiler.python-tox",
+                "vscode-icons-team.vscode-icons",
+                "visualstudioexptteam.vscodeintellicode"
+            ],
+            "settings": {
+                "flake8.args": ["--config=setup.cfg"],
+                "pylint.args": ["--rcfile=setup.cfg"],
+                "terminal.integrated.shell.linux": "/usr/bin/zsh",
+                "terminal.integrated.defaultProfile.linux": "zsh",
+                "terminal.integrated.fontFamily": "'SourceCodePro+Powerline+Awesome Regular'",
+                "terminal.integrated.fontSize": 14,
+                "files.exclude": {
+                    "**/CODE_OF_CONDUCT.md": true,
+                    "**/LICENSE": true
+                }
+            }
+        }
+    },
+    "remoteUser": "user",
+    "containerUser": "user",
     "dockerFile": "Dockerfile",
-    "postCreateCommand": "pip3 install -r requirements.txt",
+    "postCreateCommand": ".devcontainer/postCreateCommand.sh",
     "updateContentCommand": "python2.7 setup.py install --user",
     "remoteEnv": {
         "PATH": "${containerEnv:PATH}:/home/user/.local/bin"
-    },
-    "settings": {
-        "flake8.args": ["--config=setup.cfg"],
-        "pylint.args": ["--rcfile=setup.cfg"],
-        "terminal.integrated.shell.linux": "/usr/bin/zsh",
-        "terminal.integrated.defaultProfile.linux": "zsh",
-        "terminal.integrated.fontFamily": "'SourceCodePro+Powerline+Awesome Regular'",
-        "terminal.integrated.fontSize": 14,
-        "files.exclude": {
-            "**/CODE_OF_CONDUCT.md": true,
-            "**/LICENSE": true
-        }
     }
 }

.devcontainer/postCreateCommand.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+pip3 install -r requirements.txt
+pip3 install -r kivy-requirements.txt