docs: update ToC

Author: kgryte

lib/node_modules/@stdlib/blas/base/README.md

@@ -41,7 +41,7 @@ var o = blas;
 
 ### BLAS Level 1
 
-<!-- <toc pattern="+(*asum|*axpy|*cabs|*copy|*dot*|*nrm2|*rot*|*scal|*swap)"> -->
+<!-- <toc pattern="+(*amax|*asum|*axpy|*copy|*dot*|*imax1|*nrm2|*rot*|*scal|*sum1|*swap)"> -->
 
 <div class="namespace-toc">
 
@@ -80,16 +80,33 @@ var o = blas;
 
 <!-- </toc> -->
 
+### BLAS Level 2
+
+<!-- <toc pattern="+(*gemv|*ger|*hemv|*symv|*her*|*syr*|*trmv|*trsv|*pmv|*hpmv|*spmv|*hpr*|*spr*|*tmpv|*tpsv|*gbmv|*hbmv|*sbmv|*tbmv|*tbsv)"> -->
+
+<!-- </toc> -->
+
+### BLAS Level 3
+
+<!-- <toc pattern="+(*gemm|*hemm|*symm|*herk|*syrk|*her2k|*syr2k|*trmm|*trsm)"> -->
+
+<!-- </toc> -->
+
+### Scalar Operations
+
+<!-- <toc pattern="+(*abs1)"> -->
+
+<!-- </toc> -->
+
 ### Auxiliary BLAS
 
-<!-- <toc pattern="+(*amax|*lsame|*xerbla*)"> -->
+<!-- <toc pattern="+(*lsame|*xerbla)"> -->
 
-<div class="namespace-toc">
+<!-- </toc> -->
 
--   <span class="signature">[`idamax( N, x, strideX )`][@stdlib/blas/base/idamax]</span><span class="delimiter">: </span><span class="description">find the index of the first element having the maximum absolute value.</span>
--   <span class="signature">[`isamax( N, x, strideX )`][@stdlib/blas/base/isamax]</span><span class="delimiter">: </span><span class="description">find the index of the first element having the maximum absolute value.</span>
+### Utilities
 
-</div>
+<!-- <toc pattern="+(*assert|*diagonal*|*layout*|*matrix*|*operation*|*transpose*)"> -->
 
 <!-- </toc> -->
 
@@ -130,10 +147,6 @@ console.log( objectKeys( blas ) );
 
 <!-- <toc-links> -->
 
-[@stdlib/blas/base/idamax]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/base/idamax
-
-[@stdlib/blas/base/isamax]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/base/isamax
-
 [@stdlib/blas/base/ccopy]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/base/ccopy
 
 [@stdlib/blas/base/cscal]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/base/cscal