Housekeeping (#8)

* Rename the provider to dockerbuild.
* Add Makefile targets required by CI.
* Add per-language test targets compatible with CI.
* Fix broken example yaml.
* Add gitignore exclusions to fix SDK generation in CI.
* Fix lint errors.
* Vendor pulumi CLI via `tools.go` instead of `.pulumi`.
* Consolidate `go.mod`s into one file, with a minimal `go.mod` for the
Go SDK.
* Add codecov.

sdk/python/pulumi_dockerbuild/__init__.py

@@ -0,0 +1,33 @@
+# coding=utf-8
+# *** WARNING: this file was generated by pulumi-language-python. ***
+# *** Do not edit by hand unless you're certain you know what you are doing! ***
+
+from . import _utilities
+import typing
+# Export this package's modules as members:
+from .provider import *
+from .random import *
+_utilities.register(
+    resource_modules="""
+[
+ {
+  "pkg": "dockerbuild",
+  "mod": "index",
+  "fqn": "pulumi_dockerbuild",
+  "classes": {
+   "dockerbuild:index:Random": "Random"
+  }
+ }
+]
+""",
+    resource_packages="""
+[
+ {
+  "pkg": "dockerbuild",
+  "token": "pulumi:providers:dockerbuild",
+  "fqn": "pulumi_dockerbuild",
+  "class": "Provider"
+ }
+]
+"""
+)