Reduce size of ssdk libraries

This updates the package.json for each of the ssdk libraries to
only include necessary files. Typescript source files and all test
files are notably omitted now.

Author: JordonPhillips

smithy-typescript-ssdk-libs/server-apigateway/CHANGELOG.md

@@ -31,6 +31,11 @@
     "jest": "^26.1.0",
     "typescript": "~4.2.2"
   },
+  "files": [
+    "dist/cjs/**/*.js",
+    "dist/types/**/*.d.ts",
+    "!**/*.spec.*"
+  ],
   "engines": {
     "node": ">= 14.0.0"
   },

smithy-typescript-ssdk-libs/server-apigateway/package.json

@@ -32,6 +32,11 @@
     "ts-jest": "^26.5.2",
     "typescript": "^4.2.2"
   },
+  "files": [
+    "dist/cjs/**/*.js",
+    "dist/types/**/*.d.ts",
+    "!**/*.spec.*"
+  ],
   "engines": {
     "node": ">= 14.0.0"
   },