Fix link format for POMCGraphSearch in README

Author: zsunberg

README.md

@@ -147,7 +147,7 @@ Many models have been implemented using the POMDPs.jl interface for various proj
 | [BasicPOMCP](https://github.com/JuliaPOMDP/BasicPOMCP.jl) | [![Build Status](https://github.com/JuliaPOMDP/BasicPOMCP.jl/actions/workflows/CI.yml/badge.svg)](https://github.com/JuliaPOMDP/BasicPOMCP.jl) <br> [![Coverage Status](https://codecov.io/gh/JuliaPOMDP/BasicPOMCP.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/JuliaPOMDP/BasicPOMCP.jl?branch=master) | Online | Y-N-N<sup>1</sup> | ★★★★ |
 | [CompressedBeliefMDPs](https://github.com/JuliaPOMDP/CompressedBeliefMDPs.jl) | [![Build Status](https://github.com/JuliaPOMDP/CompressedBeliefMDPs.jl/actions/workflows/CI.yml/badge.svg?branch=main)](https://github.com/JuliaPOMDP/CompressedBeliefMDPs.jl/actions/workflows/CI.yml?query=branch%3Amain) <br> [![codecov](https://codecov.io/gh/JuliaPOMDP/CompressedBeliefMDPs.jl/graph/badge.svg?token=FXmEi9Fscd)](https://codecov.io/gh/JuliaPOMDP/CompressedBeliefMDPs.jl) <br> [![paper](https://joss.theoj.org/papers/967acf3a5b70351313a995c12e03849b/status.svg)](https://joss.theoj.org/papers/967acf3a5b70351313a995c12e03849b) | Offline | Y-Y-Y | ★★★★ |
 | [NativeSARSOP](https://github.com/JuliaPOMDP/NativeSARSOP.jl) | [![Build Status](https://github.com/JuliaPOMDP/NativeSARSOP.jl/actions/workflows/CI.yml/badge.svg)](https://github.com/JuliaPOMDP/NativeSARSOP.jl/actions/workflows/CI.yml) <br> [![Coverage Status](https://codecov.io/gh/JuliaPOMDP/NativeSARSOP.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/JuliaPOMDP/NativeSARSOP.jl) | Offline | N-N-N | ★★★★ |
-| [POMCGraphSearch](github.com/ori-goals/POMCGraphSearch.jl) | | Offline | Y-Y-Y | ★★★★ |
+| [POMCGraphSearch](https://github.com/ori-goals/POMCGraphSearch.jl) | | Offline | Y-Y-Y | ★★★★ |
 | [SARSOP](https://github.com/JuliaPOMDP/SARSOP.jl)* | [![Build Status](https://github.com/JuliaPOMDP/SARSOP.jl/actions/workflows/CI.yml/badge.svg)](https://github.com/JuliaPOMDP/SARSOP.jl) <br> [![Coverage Status](https://codecov.io/gh/JuliaPOMDP/SARSOP.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/JuliaPOMDP/SARSOP.jl?branch=master) | Offline | N-N-N | ★★★★ |
 | [GapHeuristicSearch](https://github.com/JuliaPOMDP/GapHeuristicSearch.jl) | [![CI](https://github.com/JuliaPOMDP/GapHeuristicSearch.jl/actions/workflows/CI.yml/badge.svg)](https://github.com/JuliaPOMDP/GapHeuristicSearch.jl/actions/workflows/CI.yml) <br> [![codecov](https://codecov.io/github/JuliaPOMDP/GapHeuristicSearch.jl/graph/badge.svg)](https://codecov.io/github/JuliaPOMDP/GapHeuristicSearch.jl) | Online | ?-?-? | ★★★ |
 | [IncrementalPruning](https://github.com/JuliaPOMDP/IncrementalPruning.jl) | [![Build Status](https://github.com/JuliaPOMDP/IncrementalPruning.jl/actions/workflows/CI.yml/badge.svg)](https://github.com/JuliaPOMDP/IncrementalPruning.jl) <br> [![Coverage Status](https://codecov.io/gh/JuliaPOMDP/IncrementalPruning.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/JuliaPOMDP/IncrementalPruning.jl?branch=master)  | Offline | N-N-N | ★★★ |