adds deepseek-6.7b-base q4_km, q5_ks, q5_km models

Author: dre-on

package.json

@@ -74,6 +74,9 @@
               "deepseek-coder:1.3b-base-q4_1",
               "deepseek-coder:1.3b-base-q8_0",
               "deepseek-coder:6.7b-base-q4_K_S",
+              "deepseek-coder:6.7b-base-q4_K_M",
+              "deepseek-coder:6.7b-base-q5_K_S",
+              "deepseek-coder:6.7b-base-q5_K_M",
               "deepseek-coder:6.7b-base-q8_0",
               "deepseek-coder:6.7b-base-fp16",
               "deepseek-coder:33b-base-q4_K_S",