reorganization of _examples and add some new examples such as iris+groupcache+mysql+docker

Former-commit-id: ed635ee95de7160cde11eaabc0c1dcb0e460a620

_examples/bootstrap/routes/follower.go

@@ -0,0 +1,11 @@
+package routes
+
+import (
+	"github.com/kataras/iris/v12"
+)
+
+// GetFollowerHandler handles the GET: /follower/{id}
+func GetFollowerHandler(ctx iris.Context) {
+	id, _ := ctx.Params().GetInt64("id")
+	ctx.Writef("from "+ctx.GetCurrentRoute().Path()+" with ID: %d", id)
+}

_examples/bootstrap/routes/following.go

@@ -0,0 +1,11 @@
+package routes
+
+import (
+	"github.com/kataras/iris/v12"
+)
+
+// GetFollowingHandler handles the GET: /following/{id}
+func GetFollowingHandler(ctx iris.Context) {
+	id, _ := ctx.Params().GetInt64("id")
+	ctx.Writef("from "+ctx.GetCurrentRoute().Path()+" with ID: %d", id)
+}

_examples/bootstrap/routes/index.go

@@ -0,0 +1,11 @@
+package routes
+
+import (
+	"github.com/kataras/iris/v12"
+)
+
+// GetIndexHandler handles the GET: /
+func GetIndexHandler(ctx iris.Context) {
+	ctx.ViewData("Title", "Index Page")
+	ctx.View("index.html")
+}

_examples/bootstrap/routes/like.go

@@ -0,0 +1,11 @@
+package routes
+
+import (
+	"github.com/kataras/iris/v12"
+)
+
+// GetLikeHandler handles the GET: /like/{id}
+func GetLikeHandler(ctx iris.Context) {
+	id, _ := ctx.Params().GetInt64("id")
+	ctx.Writef("from "+ctx.GetCurrentRoute().Path()+" with ID: %d", id)
+}

_examples/bootstrap/routes/routes.go

@@ -0,0 +1,13 @@
+package routes
+
+import (
+	"github.com/kataras/iris/v12/_examples/bootstrap/bootstrap"
+)
+
+// Configure registers the necessary routes to the app.
+func Configure(b *bootstrap.Bootstrapper) {
+	b.Get("/", GetIndexHandler)
+	b.Get("/follower/{id:int64}", GetFollowerHandler)
+	b.Get("/following/{id:int64}", GetFollowingHandler)
+	b.Get("/like/{id:int64}", GetLikeHandler)
+}