[meta] create FUNDING.yml; add funding in package.json

.github/FUNDING.yml

@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/minimist
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

package.json

@@ -37,6 +37,9 @@
         "email": "mail@substack.net",
         "url": "http://substack.net"
     },
+    "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+    },
     "license": "MIT",
     "publishConfig": {
         "ignore": [