[Keyboard] Add nknl7en keyboard (#11590)

* Add nknl7en keyboard

A 70 keys ANSI Layout split keyboard.
Salicylic-acid3

* Update readme.md

The name, photo, and link were wrong, so they have been corrected.

* Update keyboards/nknl7en/keymaps/salicylic/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/nknl7en/keymaps/salicylic/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/nknl7en/keymaps/salicylic/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/nknl7en/keymaps/salicylic/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

Co-authored-by: Drashna Jaelre <drashna@live.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/keyboards/nknl7en/keymaps/default/config.h b/keyboards/nknl7en/keymaps/default/config.h
new file mode 100644
index 000000000..fd96baa81
--- /dev/null
+++ b/keyboards/nknl7en/keymaps/default/config.h
@@ -0,0 +1,22 @@
+/* Copyright 2021 Salicylic_acid3
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+/* Select hand configuration */
+
+#define TAPPING_FORCE_HOLD
+#define TAPPING_TERM 180