Added JWT Auth

Wrote my own JWT auth middleware, since I could not get the go-chi middleware to accept a JWKS instead of a certificate.

_docker/docker-compose.yml

@@ -0,0 +1,29 @@
+# Use postgres/example user/password credentials
+version: '3.1'
+
+services:
+  api:
+    image: forgejo.merr.is/annika/isl-api:latest
+    restart: always
+    environment:
+      - ISL_API_DB_CONNECTION_STRING=postgres://isl:development@db:5432/isl
+      - ISL_API_HTTP_PORT=3000
+    ports:
+      - 3000:3000
+  db:
+    image: postgres
+    restart: always
+    environment:
+      POSTGRES_USER: isl
+      POSTGRES_PASSWORD: development
+      POSTGRES_DB: isl
+    volumes:
+      - ./data:/var/lib/postgresql/data
+      - ./docker-entrypoint-initdb.d:/docker-entrypoint-initdb.d
+    ports:
+      - 5432:5432
+  adminer:
+    image: adminer
+    restart: always
+    ports:
+      - 8081:8080