feat: add hnsw index.(create,get,del); node.(add,get,del); search.knn features

Signed-off-by: weedge <[email protected]>

Author: weedge

LICENSE

@@ -1,3 +1,5 @@
+MIT License
+
 Copyright (c) 2023 weedge <weege007 at gmail dot com>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy

Makefile

@@ -9,7 +9,7 @@ make build_hnsw		# build hnsw crate
 make build_usearch	# build usearch crate
 make build_faiss	# build faiss crate
 make build
-  DEBUG=1          # build debug variant
+  RELEASE=1          # build release variant
 
 make clean         # remove binary files
   ALL=1            # remove binary directories
@@ -33,11 +33,11 @@ include $(MK)/rules
 
 #----------------------------------------------------------------------------------------------
 
-ifeq ($(DEBUG),1)
-TARGET_DIR=target/debug
-else
+ifeq ($(RELEASE),1)
 CARGO_FLAGS += --release
 TARGET_DIR=target/release
+else
+TARGET_DIR=target/debug
 endif
 
 #----------------------------------------------------------------------------------------------

rust/hnsw/src/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Zhao Lang, 2023 weedge <weege007 at gmail dot com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.