Bug 2010106 - Add some basic project tasks. r=padenot

This might make me fall back to the terminal a bit less. Inspired on the
existing .vscode/tasks.json

Differential Revision: https://phabricator.services.mozilla.com/D278858

.zed/tasks.json

@@ -0,0 +1,35 @@
+[
+  {
+    "label": "Clobber",
+    "command": "./mach clobber"
+  },
+  {
+    "label": "Clobber Python",
+    "command": "./mach clobber python"
+  },
+  {
+    "label": "Configure",
+    "command": "./mach configure"
+  },
+  {
+    "label": "Build",
+    "command": "./mach build"
+  },
+  {
+    "label": "Build binaries",
+    "command": "./mach build binaries"
+  },
+  {
+    "label": "Build faster",
+    "command": "./mach build faster"
+  },
+  {
+    "label": "Run",
+    "command": "./mach run"
+  },
+  {
+    "label": "Run Test",
+    "command": "./mach",
+    "args": ["test", "$ZED_FILE"]
+  }
+]