add instance-wide renaming

config.maple

···
 dev_mode = false
+static_path = 'src/static'
 
-static_path = 'src/static'
+instance = {
+	name = 'beeper'
+	welcome = 'welcome to beep!'
+}
 
 http = {
 	port = 8008

doc/todo.md

···
 
 ## planing
 
+- [ ] site:message of the day (admins can add a welcome message displayed on index.html)
 - [ ] post:mentioning ('tagging') other users in posts
 - [ ] post:replies
 - [ ] post:tags ('hashtags')

src/config.v

···
 pub mut:
 	dev_mode    bool
 	static_path string
+	instance struct {
+	pub mut:
+		name    string
+		welcome string
+	}
 	http struct {
 	pub mut:
 		port int
···
 
 	config.dev_mode = loaded.get('dev_mode').to_bool()
 	config.static_path = loaded.get('static_path').to_str()
+
+	loaded_instance := loaded.get('instance')
+	// yes i am still sanatizing these despite being configured exclusively
+	// by the instance owner. redundant? maybe.
+	config.instance.name = sanatize(loaded_instance.get('name').to_str())
+	config.instance.welcome = sanatize(loaded_instance.get('welcome').to_str())
 
 	loaded_http := loaded.get('http')
 	config.http.port = loaded_http.get('port').to_int()

src/pages.v

···
 import entity { User, Post }
 
 fn (mut app App) index(mut ctx Context) veb.Result {
-	ctx.title = 'beep'
+	ctx.title = app.config.instance.name
 	user := app.whoami(mut ctx) or { User{} }
 	recent_posts := app.get_recent_posts()
 	pinned_posts := app.get_pinned_posts()
···
 }
 
 fn (mut app App) login(mut ctx Context) veb.Result {
-	ctx.title = 'login to beep'
+	ctx.title = 'login to ${app.config.instance.name}'
 	user := app.whoami(mut ctx) or { User{} }
 	return $veb.html()
 }
 
 fn (mut app App) register(mut ctx Context) veb.Result {
-	ctx.title = 'register for beep'
+	ctx.title = 'register for ${app.config.instance.name}'
 	user := app.whoami(mut ctx) or { User{} }
 	return $veb.html()
 }
···
 		ctx.error('not logged in')
 		return ctx.redirect('/login')
 	}
-	ctx.title = 'beep - ${user.get_name()}'
+	ctx.title = '${app.config.instance.name} - ${user.get_name()}'
 	return $veb.html()
 }
 
 fn (mut app App) admin(mut ctx Context) veb.Result {
-	ctx.title = 'beep dashboard'
+	ctx.title = '${app.config.instance.name} dashboard'
 	user := app.whoami(mut ctx) or { User{} }
 	return $veb.html()
 }
···
 		ctx.error('user not found')
 		return ctx.redirect('/')
 	}
-	ctx.title = 'beep - ${user.get_name()}'
+	ctx.title = '${app.config.instance.name} - ${user.get_name()}'
 	return $veb.html()
 }
 
···
 		ctx.error('no such post')
 		return ctx.redirect('/')
 	}
-	ctx.title = 'beep - ${post.title}'
+	ctx.title = '${app.config.instance.name} - ${post.title}'
 	user := app.whoami(mut ctx) or { User{} }
 	return $veb.html()
 }

src/templates/index.html

···
 @include 'partial/header.html'
 
-<h1>welcome to beep</h1>
+<h1>@app.config.instance.welcome</h1>
 
 @if ctx.is_logged_in()
 <p>logged in as: @{user.get_name()}</p>