add CI config

Author: martinklepsch

.circleci/config.yml

@@ -0,0 +1,18 @@
+version: 2
+jobs:
+  build:
+    working_directory: ~/clj-http-lite
+    docker:
+      - image: circleci/clojure:lein-2.7.1
+    environment:
+      JVM_OPTS: -Xmx3200m
+    steps:
+      - checkout
+      - restore_cache:
+          key: clj-http-lite-{{ checksum "project.clj" }}
+      - run: lein deps
+      - save_cache:
+          paths:
+            - ~/.m2
+          key: clj-http-lote-{{ checksum "project.clj" }}
+      - run: lein all do clean, test :all