Configure Arcanist

Summary:
Repository code: rDO

Linters: from rOPS

Test Plan:
`arc which`
`arc lint --everything`

Reviewers: dereckson

Reviewed By: dereckson

Differential Revision: https://devcentral.nasqueron.org/D2298

Author: dereckson

.arcconfig

@@ -0,0 +1,7 @@
+{
+  "phabricator.uri": "https://devcentral.nasqueron.org/",
+  "repository.callsign": "DO",
+  "load": [
+    "shellcheck-linter"
+  ]
+}

.arclint

@@ -0,0 +1,24 @@
+{
+    "linters": {
+        "chmod": {
+            "type": "chmod"
+        },
+        "shell": {
+            "type": "shellcheck",
+            "include": [
+                "(\\.sh$)"
+            ]
+        },
+        "filename": {
+            "type": "filename"
+        },
+        "json": {
+            "type": "json",
+            "include": [
+                "(^\\.arcconfig$)",
+                "(^\\.arclint$)",
+                "(\\.json$)"
+            ]
+        }
+    }
+}

.dockerignore

@@ -1,3 +1,4 @@
 VERSION
 README.md
 Changelog.md
+.arc*