appview/strings: allow extensionless filenames

Signed-off-by: ItsHarper <[e-mail]>

appview/db/strings.go

···
 func (s String) Validate() error {
 	var err error
 
-	if !strings.Contains(s.Filename, ".") {
-		err = errors.Join(err, fmt.Errorf("missing filename extension"))
-	}
-
-	if strings.HasSuffix(s.Filename, ".") {
-		err = errors.Join(err, fmt.Errorf("filename ends with `.`"))
-	}
-
 	if utf8.RuneCountInString(s.Filename) > 140 {
 		err = errors.Join(err, fmt.Errorf("filename too long"))
 	}
···
 			filename = excluded.filename,
 			description = excluded.description,
 			content = excluded.content,
-			edited = case 
+			edited = case
 				when
 					strings.content != excluded.content
 					or strings.filename != excluded.filename

appview/pages/templates/strings/fragments/form.html

···
         type="text"
         id="filename"
         name="filename"
-        placeholder="Filename with extension"
+        placeholder="Filename"
         required
         value="{{ .String.Filename }}"
         class="md:max-w-64 dark:bg-gray-700 dark:text-white dark:border-gray-600 dark:placeholder-gray-400 px-3 py-2 border rounded"

appview/strings/strings.go

···
 	"path"
 	"slices"
 	"strconv"
-	"strings"
 	"time"
 
 	"tangled.sh/tangled.sh/core/api/tangled"
···
 			fail("Empty filename.", nil)
 			return
 		}
-		if !strings.Contains(filename, ".") {
-			// TODO: make this a htmx form validation
-			fail("No extension provided for filename.", nil)
-			return
-		}
 
 		content := r.FormValue("content")
 		if content == "" {
···
 		filename := r.FormValue("filename")
 		if filename == "" {
 			fail("Empty filename.", nil)
-			return
-		}
-		if !strings.Contains(filename, ".") {
-			// TODO: make this a htmx form validation
-			fail("No extension provided for filename.", nil)
 			return
 		}