chore: add semantic release config (#220)

Generate changelogs again

Author: achingbrain

package.json

@@ -44,7 +44,7 @@
     "binary",
     "string"
   ],
-  "license": "(Apache-2.0 OR MIT)",
+  "license": "Apache-2.0 OR MIT",
   "bugs": "https://github.com/multiformats/js-multiaddr/issues",
   "homepage": "https://github.com/multiformats/js-multiaddr",
   "dependencies": {
@@ -60,5 +60,69 @@
     "aegir": "^36.1.3",
     "sinon": "^12.0.1",
     "util": "^0.12.3"
+  },
+  "release": {
+    "branches": [
+      "master"
+    ],
+    "plugins": [
+      [
+        "@semantic-release/commit-analyzer", {
+          "preset": "conventionalcommits",
+          "releaseRules": [{
+            "breaking": true,
+            "release": "major"
+          }, {
+            "revert": true,
+            "release": "patch"
+          }, {
+            "type": "feat",
+            "release": "minor"
+          }, {
+            "type": "fix",
+            "release": "patch"
+          }, {
+            "type": "chore",
+            "release": "patch"
+          }, {
+            "type": "docs",
+            "release": "patch"
+          }, {
+            "type": "test",
+            "release": "patch"
+          }, {
+            "scope": "no-release",
+            "release": false
+          }]
+        }
+      ],
+      [
+        "@semantic-release/release-notes-generator", {
+          "preset": "conventionalcommits",
+          "presetConfig": {
+            "types": [{
+              "type": "feat",
+              "section": "Features"
+            }, {
+              "type": "fix",
+              "section": "Bug Fixes"
+            }, {
+              "type": "chore",
+              "section": "Trivial Changes"
+            }, {
+              "type": "docs",
+              "section": "Trivial Changes"
+            }, {
+              "type": "test",
+              "section": "Tests"
+            }]
+          }
+        }
+      ],
+      "@semantic-release/changelog",
+      "@semantic-release/npm",
+      "@semantic-release/github",
+      "@semantic-release/git"
+    ]
   }
 }