feat: adds initial code.

Author: jcchavezs

.travis.yml

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+sudo: false
+language: go
+go:
+  - 1.8.x
+  - 1.9.x
+  - 1.10.x
+  - 1.11.x
+  - master
+
+before_script:
+  - go get -u golang.org/x/lint/golint
+
+script:
+  - go vet ./...
+  - golint ./..

README.md

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+# Zipkin instrumentation SQL
+
+A sql wrapper including Zipkin instrumentation
+
+## Usage
+
+```go
+import (
+    _ "github.com/go-sql-driver/mysql"
+    zipkinsql "github.com/jcchavezs/zipkin-instrumentation-sql"
+)
+
+var (
+    driverName string
+    err        error
+    db         *sql.DB
+)
+
+// Register our zipkinsql wrapper for the provided MySQL driver.
+driverName, err = zipkinsql.Register("mysql", zipkinsql.WithAllTraceOptions())
+if err != nil {
+    log.Fatalf("unable to register zipkin driver: %v\n", err)
+}
+
+// Connect to a MySQL database using the ocsql driver wrapper.
+db, err = sql.Open(driverName, "myDSN")
+```