chore: set up commitlint, husky, and prettier (#1451)

* chore: add prettier configuration

Signed-off-by: Xe Iaso <me@xeiaso.net>

* format: run prettier tree-wide

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore(prettier): ignore intentionally ungrammatical files

Signed-off-by: Xe Iaso <me@xeiaso.net>

* ci: add PR title lint rule

Signed-off-by: Xe Iaso <me@xeiaso.net>

* ci: add DCO check

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore: add commitlint and husky

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore: add CONTRIBUTING guidelines

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore: set SKIP_INTEGRATION in precommit tests

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore: update spelling

Signed-off-by: Xe Iaso <me@xeiaso.net>

* ci(dco): remove reopened trigger

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore: remove dead file

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore(prettier): don't format nginx includes

Signed-off-by: Xe Iaso <me@xeiaso.net>

---------

Signed-off-by: Xe Iaso <me@xeiaso.net>

lib/config/testdata/bad/badregexes.json

@@ -18,4 +18,4 @@
       "action": "DENY"
     }
   ]
-}
+}

lib/config/testdata/bad/badregexes.yaml

@@ -1,7 +1,7 @@
 bots:
-- name: path-bad
-  path_regex: "a(b"
-  action: DENY
-- name: user-agent-bad
-  user_agent_regex: "a(b"
-  action: DENY
+  - name: path-bad
+    path_regex: "a(b"
+    action: DENY
+  - name: user-agent-bad
+    user_agent_regex: "a(b"
+    action: DENY

lib/config/testdata/bad/import_and_bot.json

@@ -7,4 +7,4 @@
       "action": "CHALLENGE"
     }
   ]
-}
+}

lib/config/testdata/bad/import_and_bot.yaml

@@ -1,6 +1,6 @@
 bots:
-- import: (data)/bots/ai-catchall.yaml
-  name: generic-browser
-  user_agent_regex: >
-    Mozilla|Opera
-  action: CHALLENGE
+  - import: (data)/bots/ai-catchall.yaml
+    name: generic-browser
+    user_agent_regex: >
+      Mozilla|Opera
+    action: CHALLENGE

lib/config/testdata/bad/import_invalid_file.json

@@ -4,4 +4,4 @@
       "import": "(data)/does-not-exist-fake-file.yaml"
     }
   ]
-}
+}

lib/config/testdata/bad/import_invalid_file.yaml

@@ -1,2 +1,2 @@
 bots:
-- import: (data)/does-not-exist-fake-file.yaml
+  - import: (data)/does-not-exist-fake-file.yaml

lib/config/testdata/bad/invalid.json

@@ -1,5 +1,3 @@
 {
-  "bots": [
-    {}
-  ]
-}
+  "bots": [{}]
+}

lib/config/testdata/bad/invalid.yaml

@@ -1 +1 @@
-bots: []
+bots: []

lib/config/testdata/bad/multiple_expression_types.json

@@ -8,10 +8,8 @@
           "userAgent.startsWith(\"git/\") || userAgent.contains(\"libgit\")",
           "\"Git-Protocol\" in headers && headers[\"Git-Protocol\"] == \"version=2\"\n"
         ],
-        "any": [
-          "userAgent.startsWith(\"evilbot/\")"
-        ]
+        "any": ["userAgent.startsWith(\"evilbot/\")"]
       }
     }
   ]
-}
+}

lib/config/testdata/bad/multiple_expression_types.yaml

@@ -1,10 +1,10 @@
 bots:
-- name: multiple-expression-types
-  action: ALLOW
-  expression:
-    all:
-    - userAgent.startsWith("git/") || userAgent.contains("libgit")
-    - >
-      "Git-Protocol" in headers && headers["Git-Protocol"] == "version=2"
-    any:
-    - userAgent.startsWith("evilbot/")
+  - name: multiple-expression-types
+    action: ALLOW
+    expression:
+      all:
+        - userAgent.startsWith("git/") || userAgent.contains("libgit")
+        - >
+          "Git-Protocol" in headers && headers["Git-Protocol"] == "version=2"
+      any:
+        - userAgent.startsWith("evilbot/")

lib/config/testdata/bad/nobots.json

@@ -1 +1 @@
-{}
+{}

lib/config/testdata/bad/nobots.yaml

@@ -1 +1 @@
-{}
+{}

lib/config/testdata/bad/regex_ends_newline.yaml

@@ -1,17 +1,17 @@
 bots:
-- name: user-agent-ends-newline
-  # Subtle bug: this ends with a newline
-  user_agent_regex: >
-    Mozilla
-  action: CHALLENGE
-- name: path-ends-newline
-  # Subtle bug: this ends with a newline
-  path_regex: >
-    ^/evil/.*$
-  action: CHALLENGE
-- name: headers-ends-newline
-  # Subtle bug: this ends with a newline
-  headers_regex:
-    CF-Worker: >
-      .*
-  action: CHALLENGE
+  - name: user-agent-ends-newline
+    # Subtle bug: this ends with a newline
+    user_agent_regex: >
+      Mozilla
+    action: CHALLENGE
+  - name: path-ends-newline
+    # Subtle bug: this ends with a newline
+    path_regex: >
+      ^/evil/.*$
+    action: CHALLENGE
+  - name: headers-ends-newline
+    # Subtle bug: this ends with a newline
+    headers_regex:
+      CF-Worker: >
+        .*
+    action: CHALLENGE

lib/config/testdata/bad/status-codes-0.yaml

@@ -1,8 +1,8 @@
 bots:
-- name: everything
-  user_agent_regex: .*
-  action: DENY
+  - name: everything
+    user_agent_regex: .*
+    action: DENY
 
 status_codes:
   CHALLENGE: 0
-  DENY: 0
+  DENY: 0