Sign Drone's configuration YAML file

This is needed to protect the repository. More info here: https://github.com/grafana/deployment_tools/blob/master/docs/infrastructure/drone/signing.md

Author: julienduchesne

.drone.yml

@@ -12,3 +12,9 @@ steps:
     image: golang:1.16
     commands:
       - go test ./...
+
+---
+kind: signature
+hmac: 7bdd444f0b237b6b8c5c0217dcb870c9fae03a6f6781dafe159a0df8d0b77b5a
+
+...

Makefile

@@ -0,0 +1,5 @@
+.PHONY: drone
+
+drone:
+	drone lint
+	drone --server https://drone.grafana.net sign --save grafana/sqlds

README.md

@@ -6,7 +6,7 @@
 
 Most SQL-driven datasources, like `Postgres`, `MySQL`, and `MSSQL` share extremely similar codebases.
 
-The `sqlds` package is intended to remove the repitition of these datasources and centralize the datasource logic. The only thing that the datasources themselves should have to define is connecting to the database, and what driver to use, and the plugin frontend.
+The `sqlds` package is intended to remove the repetition of these datasources and centralize the datasource logic. The only thing that the datasources themselves should have to define is connecting to the database, and what driver to use, and the plugin frontend.
 
 **Usage**